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Ciubotariud
a fost răspuns

1) Aflati rezultatul calculului  [1.(3)-1]² *0,75

2) Rezolvati in multimea numerelor nationale ecuatia  x/2-x=1/3
3)Se considere numarul a=(2√6)*(√8-5√2). Aflati /a/

Răspuns :

Rarmir
1.(3)= 1 si 3/9=(9+3)/9=12/9=4/3 4/3-1=1/3 (1/3)^ 2=1/9 0, 75=75/100=3/4 1/9×3/4=1/12 ×/2-×=1/3 -×/2=1/3 -3×=2 ×=-2/3 a=2râd 6 x(rad8-5rad2) a=2rad6x(2rad2-5rad2) a=2rad6x(-3rad2) a=-6rad12 a=-12 rad3

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